The P1293 diagnostic trouble code (DTC) indicates a high side open condition on Bank No. 1 of the vehicle's fuel injection system. This means that there is a problem with the high-pressure side of the fuel system, which could lead to issues with fuel delivery and combustion.

The automobile fault code P1293 can be caused by a faulty Injector Driver Module (IDM), an open or shorted Injector Driver Module harness, or a poor electrical connection in the Injector Driver Module circuit.

2006年7月26日 · Scanned to find (P1316 "IDM codes detected" KOEO) Injector buzz test revealed (P1293 High Side Open Bank 1). Cyl Contribution self test revealed (P0263 cyl#1, P0269 cyl#3, P0275 cyl#5, P0281 cyl#7) obviously I'm having a problem with the high side on these 4 cylinders.

2021年8月24日 · Code P1293 Description. The Injector Driver Module (IDM) is capable of detecting individual injectors open and shorts to either ground or power while the engine is running. IDM is also capable of detecting right or left bank high side …

2013年9月3日 · Try unplugging the #7 injector (rear pass side) and lugging it back in. Also do same with #2 (driver front). If this corrects issue, then you need longer wiring leading to the injectors. those are known for needing "Ice pick fix". Your code does not show up in the List. Recheck and repost.

2021年8月24日 · The Diagnostic Trouble Code (DTC) P1293 indicate an open in high side circuit between Injector Driver Module and fuel injector. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

2025年2月18日 · Faulty high-pressure fuel pump, clogged fuel filter, or leaking fuel injector can cause the P1293 code, leading to poor engine performance and decreased fuel efficiency. Symptoms include engine misfires, rough idling, difficulty starting the engine, and the illuminated check engine light.

2010年9月25日 · DTCs P1294 and P1293 indicate an open circuit exists on the high side circuit between the IDM and the injectors. The following table lists the circuits to inspect while performing these pinpoint tests, based on the DTC retrieved during the KOEO On-Demand and Injector Electrical Self Tests.

The diagnostic trouble code P1293 for Isuzu vehicles refers to a "High Side Open Bank No. 1" issue. This code indicates that there is an open circuit or high resistance in the fuel injector bank number 1 on the high-pressure side of the fuel system.

2020年10月27日 · Buzz test is strong and no more P1293 code, truck fired right up and idled smoothly. Passed KOER and Contribution test. Went for a quick drive and everything still running great.